MC33351ADTB-001

Overview

The MC33351ADTB-001 is an analog battery management integrated circuit manufactured by onsemi. It functions as a charge controller specifically designed for three-cell lithium-ion or lithium-polymer battery packs. The device integrates the necessary control logic and power stages to manage the charging cycle, ensuring safe and efficient energy storage. As part of the battery management category, it addresses the critical need for precise voltage regulation and current limiting in portable electronic applications requiring reliable power sources.

Feature Summary

• Integrated analog charge control architecture optimized for multi-cell lithium-based battery systems
• Supports complete charging profiles including constant current and constant voltage phases
• Designed for compact integration into portable devices with limited board space

Applications

• Three-cell lithium-ion battery pack management in consumer electronics
• Lithium-polymer battery charging systems in portable gadgets
• Power management modules in handheld communication devices

Procurement Notes

Verify the exact suffix and tape-and-reel specifications against the manufacturer's latest datasheet before ordering. Confirm that the component meets all relevant safety standards required for your specific end-use application. Ensure compatibility with your system's thermal management design, as battery chargers generate heat during operation. Cross-reference the part number with official onsemi documentation to avoid counterfeit components.

Selection Notes

Select this component when designing systems requiring dedicated analog control for three-cell lithium battery configurations. It is suitable for applications where discrete solution complexity must be reduced while maintaining reliable charging performance. Consider its package constraints and thermal requirements relative to your enclosure design. Evaluate if the integrated features align with your specific battery chemistry and capacity needs.

Part Context

This component belongs to onsemi's portfolio of power management integrated circuits focused on battery technologies. It sits within the broader category of analog battery chargers and controllers. The product line supports various cell counts and chemistries, with this specific model targeting the common three-cell series configuration found in many mobile devices.

Replacement Considerations

Consult onsemi's official substitution guide for verified alternatives. Check for pin-compatible upgrades or functional equivalents from the same manufacturer. Do not assume cross-brand compatibility without verifying electrical parameters and pin assignments.